:root {
  --bg: #ecedef;
  --paper: #ffffff;
  --ink: #1c2541;
  --ink-2: #4b5470;
  --ink-3: #7b839a;
  --line: rgba(28, 37, 65, 0.12);
  --line-strong: rgba(28, 37, 65, 0.22);

  --blue: #1a96f0;
  --purple: #a083e8;
  --coral: #f4624d;
  --yellow: #ecbb2c;
  --green: #35b58a;

  --accent: var(--blue);
  --accent-ink: #0c6fb8;
  --accent-soft: #e1f1fd;

  --radius: 22px;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset, 0 18px 40px -26px rgba(28, 37, 65, 0.35);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --font-display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;
}

.t-proscons, [data-tool="proscons"] { --accent: #1a96f0; --accent-ink: #0c6fb8; --accent-soft: #e1f1fd; }
.t-eisenhower, [data-tool="eisenhower"] { --accent: #a083e8; --accent-ink: #6a4cc4; --accent-soft: #ece6fb; }
.t-tree, [data-tool="tree"] { --accent: #35b58a; --accent-ink: #1d8561; --accent-soft: #dff3ea; }
.t-premortem, [data-tool="premortem"] { --accent: #f4624d; --accent-ink: #c43b27; --accent-soft: #fde5e1; }

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-padding-top: 64px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.32;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.45  0 0 0 0 0.47  0 0 0 0 0.52  0 0 0 0.55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { width: min(1120px, 100% - 48px); margin-inline: auto; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 8px; }

h1, h2, h3 { font-family: var(--font-display); letter-spacing: -0.025em; line-height: 1.05; margin: 0; }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px max(24px, calc((100% - 1120px) / 2));
  background: rgba(236, 237, 239, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-family: var(--font-display); font-weight: 700; font-size: 1.35rem; letter-spacing: -0.03em; }
.brand-mark { width: 30px; height: 30px; }
.topnav { display: flex; gap: 22px; }
.topnav a { color: var(--ink-2); text-decoration: none; font-size: 0.95rem; font-weight: 500; }
.topnav a:hover { color: var(--ink); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; border: 1.5px solid transparent;
  font: 600 1rem/1 var(--font-body); text-decoration: none; cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.2s, color 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn-primary { background: var(--ink); color: #fff; box-shadow: 0 14px 24px -14px rgba(28, 37, 65, 0.8); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.6); }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 14px 24px -14px var(--accent); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; box-shadow: none; }

.link-btn { background: none; border: 0; padding: 6px 2px; font: 600 0.95rem var(--font-body); color: var(--accent-ink); cursor: pointer; text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1.5px; }
.link-btn.subtle { color: var(--ink-3); }
.link-btn:hover { color: var(--ink); }

.eyebrow { margin: 0 0 14px; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); }
.label { margin: 0 0 8px; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 56px 0 96px; }
.hero-bg {
  position: absolute; inset: -6% -4% -10%; pointer-events: none;
  background: url("/assets/images/think/hero-gradient.jpg") 62% 45% / cover no-repeat;
  -webkit-mask-image: radial-gradient(ellipse 70% 72% at 60% 46%, #000 45%, transparent 100%);
  mask-image: radial-gradient(ellipse 70% 72% at 60% 46%, #000 45%, transparent 100%);
  opacity: 0.85;
  animation: drift 22s ease-in-out infinite alternate;
}
@keyframes drift { to { transform: translate3d(24px, 18px, 0) scale(1.05); } }

.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(2.8rem, 7.2vw, 5.4rem); font-weight: 700; margin-bottom: 26px; }
.hero .lead { font-size: clamp(1.2rem, 2.2vw, 1.5rem); line-height: 1.4; color: var(--ink); margin: 0 0 14px; max-width: 30ch; font-weight: 500; }
.hero .body { color: var(--ink-2); margin: 0 0 12px; max-width: 52ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.hero-art { position: relative; height: 440px; }
.tile { position: absolute; width: 168px; height: 168px; filter: drop-shadow(0 22px 24px rgba(28, 37, 65, 0.22)); animation: float 7s ease-in-out infinite alternate; }
.tile svg { width: 100%; height: 100%; display: block; }
.t1 { left: 4%; top: 6%; transform: rotate(-6deg); }
.t2 { right: 4%; top: 0; transform: rotate(5deg); animation-delay: -2s; }
.t3 { left: 16%; bottom: 0; transform: rotate(4deg); animation-delay: -4s; }
.t4 { right: 10%; bottom: 8%; transform: rotate(-4deg); animation-delay: -1s; }
@keyframes float { to { translate: 0 -14px; } }
.dot { position: absolute; border-radius: 50%; }
.dot.d1 { width: 22px; height: 22px; background: var(--yellow); left: 46%; top: 44%; }
.dot.d2 { width: 14px; height: 14px; background: var(--coral); left: 8%; top: 54%; }
.dot.d3 { width: 18px; height: 18px; background: var(--purple); right: 44%; bottom: 4%; }

/* Why */
.why { padding: 48px 0 24px; }
.section-title { font-size: clamp(2rem, 4.4vw, 3.2rem); margin-bottom: 36px; font-weight: 700; }
.section-title.small { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 28px; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.why-item { padding: 6px 4px; }
.why-item h3 { font-size: 1.3rem; margin: 18px 0 8px; }
.why-item p { margin: 0; color: var(--ink-2); max-width: 34ch; }
.why-shape { display: block; width: 44px; height: 44px; }
.s-circle { background: var(--coral); border-radius: 50%; }
.s-split { background: linear-gradient(135deg, var(--ink) 50%, var(--blue) 50%); border-radius: 10px; }
.s-ring { border-radius: 50%; background: var(--purple); box-shadow: inset 0 0 0 11px var(--purple), inset 0 0 0 22px #fff; }

/* Problem */
.problem { padding: 96px 0 40px; scroll-margin-top: 0; }
.big-q { font-size: clamp(2.2rem, 5.6vw, 4rem); font-weight: 700; margin-bottom: 28px; }
.big-q.mid { font-size: clamp(1.7rem, 3.8vw, 2.6rem); margin: 0 0 24px; }

.cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; align-items: start; }
.cat-card { background: var(--paper); border: 1.5px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; transition: transform 0.35s var(--ease), border-color 0.25s, box-shadow 0.25s; }
.cat-card[data-tool] { --c: var(--accent); }
.cat-card:hover { transform: translateY(-3px); }
.cat-card.is-selected { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow); }
.cat-select { position: relative; display: block; width: 100%; text-align: left; background: none; border: 0; padding: 28px 28px 24px; cursor: pointer; color: inherit; font: inherit; }
.cat-title { display: block; font: 700 clamp(1.4rem, 2.4vw, 1.75rem)/1.15 var(--font-display); letter-spacing: -0.02em; padding-right: 56px; margin-bottom: 10px; }
.cat-desc { display: block; color: var(--ink-2); margin-bottom: 16px; padding-right: 40px; }
.cat-ex { margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.cat-ex li { font-size: 0.86rem; color: var(--ink-2); background: var(--bg); border-radius: 999px; padding: 5px 12px; }
.shape { position: absolute; top: 26px; right: 26px; width: 38px; height: 38px; background: var(--accent); transition: transform 0.5s var(--ease); }
.cat-card:hover .shape, .cat-card.is-selected .shape { transform: rotate(18deg) scale(1.08); }
.sh-circle { border-radius: 50%; }
.sh-square { border-radius: 9px; }
.sh-triangle { clip-path: polygon(50% 6%, 96% 92%, 4% 92%); border-radius: 0; }
.sh-ring { border-radius: 50%; background: var(--accent); box-shadow: inset 0 0 0 9px var(--accent), inset 0 0 0 19px #fff; }
.cat-reveal { padding: 0 28px 26px; animation: rise 0.45s var(--ease); }
.cat-reveal p { margin: 0 0 16px; color: var(--ink-2); padding-top: 18px; border-top: 1px dashed var(--line-strong); }
.pill { display: inline-block; margin-right: 6px; padding: 3px 11px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-ink); font-size: 0.8rem; font-weight: 600; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* Recommendation */
.recommend { padding: 28px 0 24px; scroll-margin-top: 72px; }
.rec-card { background: var(--paper); border-radius: 28px; padding: clamp(26px, 4vw, 48px); border: 1.5px solid var(--accent); box-shadow: 0 0 0 6px var(--accent-soft), var(--shadow); animation: rise 0.55s var(--ease); }
.rec-head { display: flex; align-items: center; gap: 18px; margin-bottom: 30px; }
.rec-ico { width: 84px; height: 84px; flex: none; }
.rec-head h2 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
.rec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-bottom: 30px; }
.rec-grid blockquote { margin: 0; font: 500 1.35rem/1.35 var(--font-display); letter-spacing: -0.01em; padding-left: 16px; border-left: 4px solid var(--accent); }
.rec-grid p { margin: 0; color: var(--ink-2); }
.rec-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.rec-others { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; animation: rise 0.35s var(--ease); }
.chip { padding: 10px 18px; border-radius: 999px; border: 1.5px solid var(--line-strong); background: transparent; color: var(--ink); font: 600 0.92rem var(--font-body); cursor: pointer; transition: background 0.2s, border-color 0.2s; }
.chip:hover { background: var(--bg); border-color: var(--ink); }

/* Workspace */
.workspace { padding: 28px 0 24px; scroll-margin-top: 72px; }
.ws-card { background: var(--paper); border-radius: 28px; border: 1.5px solid var(--line); box-shadow: var(--shadow); padding: clamp(22px, 4vw, 44px); animation: rise 0.55s var(--ease); }
.ws-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: flex-start; }
.ws-title { display: flex; align-items: center; gap: 16px; }
.ws-ico { width: 64px; height: 64px; flex: none; }
.ws-title h2 { font-size: clamp(1.9rem, 4vw, 2.7rem); }
.ws-q { margin: 6px 0 0; color: var(--ink-2); }
.ws-tools { display: flex; gap: 16px; align-items: center; }
.ws-problem { margin: 26px 0 8px; padding: 14px 18px; background: var(--accent-soft); border-radius: 16px; display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px; }
.ws-problem label { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent-ink); }
.ws-problem input { flex: 1 1 280px; border: 0; outline: 0; background: transparent; font: 500 1.2rem/1.4 var(--font-display); color: var(--ink); padding: 4px 0; }
.ws-problem input::placeholder { color: rgba(28, 37, 65, 0.4); }
.ws-card[data-tool="premortem"] .ws-problem { --accent-soft: #e1f1fd; --accent-ink: #0c6fb8; }
.tool-body { margin-top: 26px; }
.tool-body .q { display: block; font: 700 clamp(1.5rem, 3.2vw, 2.1rem)/1.15 var(--font-display); letter-spacing: -0.02em; margin-bottom: 8px; }
.hint { margin: 0 0 16px; color: var(--ink-3); font-size: 0.95rem; }
.count { margin-left: auto; font-size: 0.85rem; font-weight: 600; color: var(--ink-3); background: var(--bg); border-radius: 999px; padding: 2px 10px; }

/* shared add row */
.add-row { display: flex; gap: 8px; margin-top: 12px; }
.add-row input, .add-row textarea { flex: 1; min-width: 0; border: 1.5px dashed var(--line-strong); border-radius: 14px; padding: 12px 14px; font: 500 1rem var(--font-body); color: var(--ink); background: #fff; outline: 0; transition: border-color 0.2s, box-shadow 0.2s; resize: none; }
.add-row input:focus, .add-row textarea:focus { border-style: solid; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.btn-add { flex: none; width: 46px; border-radius: 14px; border: 0; background: var(--accent); color: #fff; font: 600 1.5rem/1 var(--font-body); cursor: pointer; transition: transform 0.2s var(--ease); }
.btn-add:hover { transform: scale(1.06); }

/* shared cards */
.dz { display: flex; flex-direction: column; gap: 10px; min-height: 64px; padding: 4px; border-radius: 16px; transition: background 0.2s; }
.dz.dz-over { background: var(--accent-soft); }
.drop-line { height: 4px; border-radius: 4px; background: var(--accent); margin: -2px 0; flex: none; }
.card { position: relative; display: flex; align-items: flex-start; gap: 6px; background: #fff; border: 1.5px solid var(--line); border-radius: 14px; padding: 10px 10px 10px 6px; box-shadow: 0 8px 16px -14px rgba(28, 37, 65, 0.5); transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s; animation: rise 0.35s var(--ease); }
.card:hover, .card:focus-within { border-color: var(--accent); }
.card.is-dragging { opacity: 0.4; }
.card.is-important { background: var(--accent-soft); border-color: var(--accent); }
.grip { flex: none; width: 22px; padding: 6px 0; border: 0; background: none; color: var(--ink-3); cursor: grab; font-size: 1rem; line-height: 1; letter-spacing: -3px; }
.grip:active { cursor: grabbing; }
.card-text { flex: 1; min-width: 0; border: 0; outline: 0; resize: none; background: transparent; font: 500 1rem/1.45 var(--font-body); color: var(--ink); padding: 4px 4px; overflow: hidden; }
.card-actions { display: flex; flex: none; gap: 2px; opacity: 0.0; transition: opacity 0.2s; }
.card:hover .card-actions, .card:focus-within .card-actions { opacity: 1; }
@media (hover: none) { .card-actions { opacity: 1; } }
.ic { width: 28px; height: 28px; border: 0; border-radius: 8px; background: transparent; color: var(--ink-3); cursor: pointer; font-size: 0.95rem; line-height: 1; display: grid; place-items: center; }
.ic:hover { background: var(--bg); color: var(--ink); }
.ic.del:hover { color: var(--coral); }

/* Pros & cons */
.pc { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; }
.pc-col { background: var(--bg); border-radius: 20px; padding: 16px; }
.pc-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.pc-head h3 { font-size: 1.4rem; }
.pc-badge { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font: 700 1.2rem/1 var(--font-body); color: #fff; }
.pc-col[data-side="pros"] .pc-badge { background: var(--blue); }
.pc-col[data-side="cons"] .pc-badge { background: var(--coral); }
.pc-col[data-side="cons"] { --accent: #f4624d; --accent-soft: #fde5e1; }
.pc-col { transition: background-color 0.4s var(--ease), box-shadow 0.4s var(--ease); }
.pc-col[data-lead="win"] { background: #e1f1fd; box-shadow: inset 0 0 0 2px var(--blue); }
.pc-col[data-lead="lose"] { background: #fde5e1; box-shadow: inset 0 0 0 2px var(--coral); }
.pc-col[data-lead="win"] .count { background: var(--blue); color: #fff; }
.pc-col[data-lead="lose"] .count { background: var(--coral); color: #fff; }
.dz-empty { margin: auto 0; padding: 14px 8px; text-align: center; color: var(--ink-3); font-size: 0.95rem; }

/* Pros & cons: balance meter */
.pc-meter { margin-bottom: 30px; }
.pcm-head { display: flex; justify-content: space-between; margin: 0 4px 8px; font-weight: 600; color: var(--ink-2); }
.pcm-bar { display: flex; height: 56px; border-radius: 999px; background: var(--bg); gap: 4px; }
.pcm-fill { display: flex; align-items: center; min-width: 140px; padding: 0 20px; border-radius: 999px; background: #dfe2e8; color: var(--ink); transition: width 0.7s var(--ease), background-color 0.4s var(--ease), color 0.4s var(--ease); }
.pcm-fill b { font: 700 1.2rem/1 var(--font-display); white-space: nowrap; font-variant-numeric: tabular-nums; }
.pcm-pros { flex: 0 1 auto; justify-content: flex-end; padding-right: 44px; }
.pcm-cons { flex: 1 1 0; padding-left: 44px; }
.pcm-knob { position: relative; flex: none; width: 0; z-index: 1; }
.pcm-burst { position: absolute; left: 50%; top: 50%; width: 76px; height: 76px; margin: -38px 0 0 -38px; border-radius: 50%; box-shadow: 0 8px 18px -6px rgba(28, 37, 65, 0.4); }
.pcm-burst svg { display: block; width: 100%; height: 100%; transition: transform 0.7s var(--ease); }
.pc-meter[data-lead="pros"] .pcm-pros, .pc-meter[data-lead="cons"] .pcm-cons { background: var(--blue); color: #fff; }
.pc-meter[data-lead="pros"] .pcm-cons, .pc-meter[data-lead="cons"] .pcm-pros { background: var(--coral); color: #fff; }
.pcm-verdict { margin: 10px 4px 0; color: var(--ink-2); font-size: 0.95rem; }

/* Pros & cons: thought + slider */
.pc-add { margin-bottom: 30px; padding: clamp(18px, 3vw, 26px); border: 1.5px solid var(--line); border-radius: 22px; background: #fff; }
.pc-thought { display: block; width: 100%; margin-top: 8px; min-height: 58px; border: 1.5px solid var(--line-strong); border-radius: 16px; padding: 15px 18px; font: 500 1.1rem/1.45 var(--font-body); color: var(--ink); resize: none; outline: 0; overflow: hidden; transition: border-color 0.2s, box-shadow 0.2s; }
.pc-thought:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.pc-scale { --thumb: 56px; --tone: var(--ink-3); position: relative; margin: 30px 0 4px; }
.pc-scale[data-val="-2"], .pc-scale[data-val="-1"] { --tone: var(--coral); }
.pc-scale[data-val="1"], .pc-scale[data-val="2"] { --tone: var(--blue); }
.pc-scale input { -webkit-appearance: none; appearance: none; display: block; width: 100%; height: 56px; margin: 0; background: transparent; cursor: pointer; outline: 0; }
.pc-scale input::-webkit-slider-runnable-track { height: 40px; border-radius: 999px; background: linear-gradient(90deg, #fde5e1, #f1f2f5 40%, #f1f2f5 60%, #e1f1fd); }
.pc-scale input::-moz-range-track { height: 40px; border-radius: 999px; background: linear-gradient(90deg, #fde5e1, #f1f2f5 40%, #f1f2f5 60%, #e1f1fd); }
.pc-scale input::-webkit-slider-thumb { -webkit-appearance: none; width: var(--thumb); height: 56px; margin-top: -8px; border-radius: 14px; border: 2px solid var(--tone); background: #fff linear-gradient(90deg, transparent calc(50% - 5px), var(--tone) calc(50% - 5px) calc(50% - 2px), transparent calc(50% - 2px) calc(50% + 2px), var(--tone) calc(50% + 2px) calc(50% + 5px), transparent calc(50% + 5px)) center / 100% 20px no-repeat; box-shadow: 0 8px 18px -8px rgba(28, 37, 65, 0.4), 0 0 0 10px rgba(28, 37, 65, 0.04); transition: border-color 0.2s; }
.pc-scale input::-moz-range-thumb { box-sizing: border-box; width: var(--thumb); height: 56px; border-radius: 14px; border: 2px solid var(--tone); background: #fff linear-gradient(90deg, transparent calc(50% - 5px), var(--tone) calc(50% - 5px) calc(50% - 2px), transparent calc(50% - 2px) calc(50% + 2px), var(--tone) calc(50% + 2px) calc(50% + 5px), transparent calc(50% + 5px)) center / 100% 20px no-repeat; box-shadow: 0 8px 18px -8px rgba(28, 37, 65, 0.4), 0 0 0 10px rgba(28, 37, 65, 0.04); }
.pc-scale input:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 4px var(--accent-soft), 0 8px 18px -8px rgba(28, 37, 65, 0.4); }
.pc-ticks { position: relative; height: 52px; margin: 12px calc(var(--thumb) / 2) 0; }
.pc-ticks button { position: absolute; top: 0; transform: translateX(-50%); max-width: 7em; padding: 4px 6px; border: 0; border-radius: 10px; background: none; color: var(--ink-2); font: 700 1rem/1.2 var(--font-display); text-align: center; cursor: pointer; transition: color 0.2s, background-color 0.2s; }
.pc-ticks button:nth-child(1) { left: 0; transform: none; margin-left: calc(var(--thumb) / -2); text-align: left; }
.pc-ticks button:nth-child(2) { left: 25%; }
.pc-ticks button:nth-child(3) { left: 75%; }
.pc-ticks button:nth-child(4) { left: 100%; transform: translateX(-100%); margin-left: calc(var(--thumb) / 2); text-align: right; }
.pc-ticks button:hover { background: var(--bg); }
.pc-ticks button.is-on { color: var(--tone); }
.pc-scale.nudge { animation: nudge 0.4s var(--ease); }
@keyframes nudge { 25% { transform: translateX(-8px); } 75% { transform: translateX(8px); } }
.pc-in { animation: rise 0.45s var(--ease); }
.pc-add-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.pc-scale-hint { margin: 0; color: var(--ink-3); font-size: 0.95rem; }
.pc-add-foot .btn:disabled { opacity: 0.45; box-shadow: none; cursor: not-allowed; transform: none; }

.reflect { margin-top: 30px; }
.reflect textarea { width: 100%; margin-top: 8px; min-height: 110px; border: 1.5px solid var(--line-strong); border-radius: 16px; padding: 16px 18px; font: 500 1.05rem/1.5 var(--font-body); color: var(--ink); resize: vertical; outline: 0; }
.reflect textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }

/* Eisenhower */
.em-collect .add-row { max-width: 640px; }
.em-collect .add-row textarea { min-height: 70px; }
.em-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
.em-list .card { flex: 0 1 auto; max-width: 100%; }
.em-wrap { display: grid; grid-template-columns: 300px 1fr; gap: 24px; align-items: start; }
.em-tray { background: var(--bg); border-radius: 20px; padding: 16px; position: sticky; top: 84px; }
.tray-head { display: flex; align-items: center; margin-bottom: 8px; }
.tray-head h3 { font-size: 1.2rem; }
.em-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; position: relative; padding: 26px 0 0 26px; }
.axis { position: absolute; font-size: 0.74rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); }
.axis-top-l { top: 0; left: calc(26px + 25%); transform: translateX(-50%); }
.axis-top-r { top: 0; left: calc(26px + 75% - 13px); transform: translateX(-50%); }
.axis-left-t { left: 0; top: calc(26px + 25%); transform: translate(-50%, -50%) rotate(-90deg); transform-origin: center; white-space: nowrap; }
.axis-left-b { left: 0; top: calc(26px + 75%); transform: translate(-50%, -50%) rotate(-90deg); white-space: nowrap; }
.quad { border-radius: 20px; padding: 14px; background: var(--accent-soft); border: 1.5px solid transparent; min-height: 200px; display: flex; flex-direction: column; }
.quad header { margin-bottom: 8px; }
.quad .tag { display: block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-ink); }
.quad h3 { font-size: 1.35rem; margin-top: 2px; }
.quad .dz { flex: 1; }
.q-do { --accent: #f4624d; --accent-soft: #fde5e1; --accent-ink: #c43b27; }
.q-plan { --accent: #a083e8; --accent-soft: #ece6fb; --accent-ink: #6a4cc4; }
.q-delegate { --accent: #1a96f0; --accent-soft: #e1f1fd; --accent-ink: #0c6fb8; }
.q-drop { --accent: #8b93a8; --accent-soft: #eceef3; --accent-ink: #5b6479; }
.task { align-items: center; padding: 8px 8px 8px 12px; cursor: grab; }
.task-text { flex: 1; min-width: 0; overflow-wrap: anywhere; font-weight: 500; }
.task-edit { flex: 1; min-width: 0; border: 0; border-bottom: 2px solid var(--accent); outline: 0; font: 500 1rem var(--font-body); padding: 2px 0; background: transparent; }
.move-wrap { position: relative; flex: none; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; color: var(--ink-3); font-size: 0.95rem; cursor: pointer; }
.move-wrap:hover { background: var(--bg); color: var(--ink); }
.move-wrap:focus-within { outline: 3px solid var(--accent); outline-offset: 2px; }
.move { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; font-size: 16px; }
.em-actions { margin-top: 18px; display: flex; gap: 14px; align-items: center; }

/* Decision tree */
.tree-prompt { margin-bottom: 14px; }
.tree-scroll { overflow-x: auto; border-radius: 20px; background: var(--bg); }
.tree { position: relative; min-width: min-content; padding: 24px; }
.tree-lines { position: absolute; left: 0; top: 0; pointer-events: none; overflow: visible; }
.tchildren { display: flex; flex-direction: column; gap: 12px; margin-top: 12px; padding-left: 48px; }
.tree-scroll { container-type: inline-size; scroll-snap-type: x proximity; overscroll-behavior-x: contain; }
.tree { width: fit-content; min-width: 100%; }
.troot { position: sticky; left: 24px; width: calc(100cqw - 48px); display: flex; justify-content: center; }
.troot .tnode { max-width: 560px; }
.tcols { display: flex; align-items: flex-start; gap: 16px; margin-top: 56px; }
.tcol { flex: 1 0 200px; max-width: 420px; scroll-snap-align: start; scroll-margin-left: 24px; }
.tcol-add { flex: 0 0 auto; }
.tcol .tchildren { padding-left: 32px; }
.tcol .tchildren .tchildren { padding-left: 18px; }
.tcol > .trow > .tnode { max-width: none; }
.tcol .tnode, .tcol .ghost { min-width: 150px; }
.tcol-add .ghost { min-width: 0; width: 124px; }
.tnode { position: relative; display: flex; align-items: center; gap: 4px; width: 100%; min-width: 220px; max-width: 560px; background: #fff; border: 2px solid var(--line-strong); border-radius: 18px; padding: 8px 8px 8px 14px; box-shadow: 0 10px 20px -16px rgba(28, 37, 65, 0.6); animation: rise 0.35s var(--ease); }
.tnode textarea { flex: 1; width: 0; min-width: 0; border: 0; outline: 0; resize: none; background: transparent; font: 600 0.98rem/1.35 var(--font-body); color: var(--ink); padding: 2px 0; overflow: hidden; }
.tnode textarea::placeholder { color: var(--ink-3); font-weight: 500; }
.tnode:focus-within { border-color: var(--green); box-shadow: 0 0 0 4px var(--accent-soft); }
.tnode.d0 { background: var(--ink); border-color: var(--ink); max-width: 640px; }
.tnode.d0 textarea { color: #fff; font-family: var(--font-display); font-size: 1.1rem; }
.tnode.d0 textarea::placeholder { color: rgba(255, 255, 255, 0.55); }
.tnode.d0 .ic { color: rgba(255, 255, 255, 0.7); }
.tnode.d0 .ic:hover { background: rgba(255, 255, 255, 0.14); color: #fff; }
.tnode.d1 { background: var(--green); border-color: var(--green); }
.tnode.d1 textarea { color: #fff; }
.tnode.d1 textarea::placeholder { color: rgba(255, 255, 255, 0.7); }
.tnode.d1 .ic { color: rgba(255, 255, 255, 0.8); }
.tnode.d1 .ic:hover { background: rgba(255, 255, 255, 0.2); color: #fff; }
.tnode.d2 { background: #dff3ea; border-color: #bfe8d8; }
.tnode.d3, .tnode.d4, .tnode.d5 { background: #f1faf6; border-color: #d4eee3; }
.tnode-actions { position: absolute; top: -15px; right: 10px; z-index: 2; display: flex; gap: 2px; padding: 2px; border-radius: 999px; background: #fff; box-shadow: 0 6px 16px -6px rgba(28, 37, 65, 0.35), 0 0 0 1px var(--line); opacity: 0; transform: translateY(4px); pointer-events: none; transition: opacity 0.18s, transform 0.18s var(--ease); }
.tnode:hover .tnode-actions, .tnode:focus-within .tnode-actions { opacity: 1; transform: none; pointer-events: auto; }
.tnode .tnode-actions .ic { color: var(--ink-3); }
.tnode .tnode-actions .ic:hover { background: var(--bg); color: var(--ink); }
.tnode .tnode-actions .ic.del:hover { color: var(--coral); }
.ghost { align-self: flex-start; display: inline-flex; align-items: center; gap: 8px; min-width: 220px; max-width: 560px; padding: 11px 14px; border: 2px dashed var(--line-strong); border-radius: 18px; background: transparent; color: var(--ink-2); font: 600 0.92rem var(--font-body); cursor: pointer; text-align: left; transition: border-color 0.2s, color 0.2s, background 0.2s; }
.ghost:hover { border-color: var(--green); color: var(--accent-ink); background: rgba(255, 255, 255, 0.6); }
.ghost span { font-size: 1.2rem; line-height: 1; }

/* Pre-mortem */
.pm-steps { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.pm-step { display: flex; align-items: center; gap: 8px; padding: 8px 14px 8px 8px; border-radius: 999px; border: 1.5px solid var(--line); background: #fff; color: var(--ink-3); font: 600 0.88rem var(--font-body); cursor: pointer; }
.pm-step b { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--bg); font-size: 0.8rem; }
.pm-step.is-active { border-color: var(--accent); color: var(--ink); background: var(--accent-soft); }
.pm-step.is-active b { background: var(--accent); color: #fff; }
.pm-step.is-done b { background: var(--ink); color: #fff; }
.pm-scene { padding: 22px 24px; border-radius: 20px; background: linear-gradient(135deg, #fde5e1, #ece6fb); margin-bottom: 26px; }
.pm-scene p { margin: 0; font: 600 clamp(1.3rem, 2.8vw, 1.9rem)/1.25 var(--font-display); letter-spacing: -0.015em; }
.pm-list { display: flex; flex-direction: column; gap: 10px; margin: 18px 0; max-width: 760px; }
.pm-suggest { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 4px; }
.pm-suggest .chip { font-weight: 500; font-size: 0.88rem; padding: 8px 14px; border-style: dashed; }
.pm-nav { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 26px; }
.seg { display: inline-flex; flex: none; background: var(--bg); border-radius: 999px; padding: 3px; }
.seg button { border: 0; background: transparent; padding: 7px 14px; border-radius: 999px; font: 600 0.85rem var(--font-body); color: var(--ink-2); cursor: pointer; }
.seg button[aria-pressed="true"][data-level="low"] { background: #fff; color: #1d8561; box-shadow: 0 2px 6px rgba(28, 37, 65, 0.15); }
.seg button[aria-pressed="true"][data-level="medium"] { background: #fff; color: #b88400; box-shadow: 0 2px 6px rgba(28, 37, 65, 0.15); }
.seg button[aria-pressed="true"][data-level="high"] { background: var(--coral); color: #fff; }
.risk-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; background: #fff; border: 1.5px solid var(--line); border-radius: 16px; padding: 14px 16px; }
.risk-row .rtext { flex: 1 1 260px; font-weight: 500; }
.risk-card { background: #fff; border: 1.5px solid var(--line); border-radius: 18px; padding: 16px 18px; }
.risk-card .rtop { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 10px; font-weight: 600; }
.risk-card textarea { width: 100%; min-height: 72px; border: 1.5px solid var(--line-strong); border-radius: 12px; padding: 12px 14px; font: 500 1rem/1.45 var(--font-body); color: var(--ink); resize: vertical; outline: 0; }
.risk-card textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.lvl { display: inline-block; padding: 3px 11px; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.lvl-low { background: #dff3ea; color: #1d8561; }
.lvl-medium { background: #fbf0cd; color: #8a6400; }
.lvl-high { background: var(--coral); color: #fff; }
/* Pre-mortem plan: ranked diagram (compact) */
.pm-chart { background: #fff; border: 1.5px solid var(--line); border-radius: 18px; padding: 14px 16px; }
.pmc-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 12px; margin-bottom: 6px; }
.pmc-head h3 { font-size: 1.1rem; }
.pmc-head span { color: var(--ink-3); font-size: 0.8rem; font-weight: 600; }
.pmc-list { margin: 0; padding: 0; list-style: none; }
.pmc-row { --tone: #ecbb2c; display: grid; grid-template-columns: 24px minmax(0, 1.1fr) minmax(0, 1fr); align-items: center; gap: 0 12px; padding: 9px 0; border-top: 1px solid var(--line); font-size: 0.9rem; }
.pmc-row:first-child { border-top: 0; }
.pmc-high { --tone: var(--coral); }
.pmc-low { --tone: var(--green); }
.pmc-rank { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--tone); color: #fff; font: 700 0.78rem/1 var(--font-display); }
.pmc-risk p { margin: 0 0 5px; font-weight: 600; line-height: 1.3; }
.pmc-meter { display: flex; align-items: center; gap: 8px; }
.pmc-meter .lvl { padding: 1px 8px; font-size: 0.7rem; }
.pmc-bar { flex: 1; max-width: 140px; height: 5px; border-radius: 999px; background: #eceef3; overflow: hidden; }
.pmc-bar span { display: block; height: 100%; border-radius: inherit; background: var(--tone); }
.pmc-plan { padding: 6px 10px; border-radius: 10px; background: #f1f7fd; color: var(--ink-2); line-height: 1.35; border-left: 3px solid var(--blue); }
.pmc-plan.is-empty { background: transparent; border-left-color: var(--line-strong); color: var(--ink-3); font-style: italic; }
.pmc-plan .link-btn { padding: 0; font-size: 0.85rem; }

/* Pre-mortem plan: action checklist (gradient frame, light content) */
.pm-actions { margin-top: 22px; padding: clamp(18px, 3vw, 24px) clamp(10px, 2vw, 14px) clamp(10px, 2vw, 14px); border-radius: 26px; background: linear-gradient(135deg, #1a96f0 0%, #3d84f2 45%, #8a7cec 100%); box-shadow: 0 22px 40px -24px rgba(26, 150, 240, 0.9); }
.pma-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 14px; margin: 0 clamp(6px, 1.4vw, 10px) 14px; }
.pma-head h3 { font-size: clamp(1.6rem, 3.4vw, 2rem); color: #fff; }
.pma-count { font-size: 0.9rem; font-weight: 600; color: #fff; padding: 4px 12px; border-radius: 999px; background: rgba(255, 255, 255, 0.2); }
.pma-body { background: #fff; border-radius: 18px; padding: clamp(12px, 2.4vw, 18px); }
.pma-list { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
.pma-item label { display: flex; align-items: flex-start; gap: 14px; padding: 13px 15px; border-radius: 14px; background: #f3f5f8; cursor: pointer; transition: background 0.2s; }
.pma-item label:hover { background: #eaeef4; }
.pma-item input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.pma-box { flex: none; position: relative; width: 24px; height: 24px; margin-top: 1px; border-radius: 7px; border: 2px solid #b9c0ce; background: #fff; transition: background 0.2s, border-color 0.2s; }
.pma-box::after { content: ""; position: absolute; left: 7px; top: 2px; width: 6px; height: 12px; border: solid #fff; border-width: 0 3px 3px 0; transform: rotate(45deg) scale(0); transition: transform 0.25s var(--ease); }
.pma-item input:checked + .pma-box { background: var(--blue); border-color: var(--blue); }
.pma-item input:checked + .pma-box::after { transform: rotate(45deg) scale(1); }
.pma-item input:focus-visible + .pma-box { box-shadow: 0 0 0 4px #e1f1fd; }
.pma-text { color: var(--ink); font-weight: 600; font-size: 1.02rem; line-height: 1.4; transition: color 0.2s; }
.pma-text small { display: block; margin-top: 3px; font-weight: 500; font-size: 0.85rem; color: var(--ink-3); }
.pma-item.is-done .pma-text { color: var(--ink-3); text-decoration: line-through; text-decoration-thickness: 2px; }
.pma-empty, .pma-missing { margin: 12px 4px 0; color: var(--ink-2); font-size: 0.95rem; }
.pm-actions .link-btn { color: #0c6fb8; }
.pma-foot { display: flex; justify-content: flex-end; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.pma-copy { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border: 1.5px solid #cfe5fb; border-radius: 999px; background: #f1f7fd; color: #0c6fb8; font: 600 0.92rem var(--font-body); cursor: pointer; transition: background 0.2s, border-color 0.2s, color 0.2s; }
.pma-copy:hover { background: #e1f1fd; border-color: var(--blue); }
.pma-copy svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.pma-copy.is-copied { background: var(--blue); border-color: var(--blue); color: #fff; }
.prepared { margin-top: 22px; font: 600 1.25rem/1.35 var(--font-display); letter-spacing: -0.01em; }

/* Explore */
.explore { padding: 96px 0 40px; scroll-margin-top: 60px; }
.explore-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.ex-card { display: flex; flex-direction: column; text-align: left; background: var(--paper); border: 1.5px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); cursor: pointer; font: inherit; color: inherit; transition: transform 0.35s var(--ease), border-color 0.25s, box-shadow 0.25s; }
.ex-card:hover { transform: translateY(-5px); border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow); }
.ex-preview { display: block; background: var(--accent-soft); border-radius: 14px; padding: 12px; margin-bottom: 18px; }
.ex-preview svg { display: block; width: 100%; height: auto; }
.ex-name { font: 700 1.4rem/1.1 var(--font-display); letter-spacing: -0.02em; }
.ex-sub { margin: 4px 0 12px; color: var(--accent-ink); font-weight: 600; font-size: 0.95rem; }
.ex-best { color: var(--ink-2); font-size: 0.95rem; flex: 1; }
.ex-best b { color: var(--ink); }
.ex-go { margin-top: 16px; font-weight: 600; color: var(--accent-ink); }

/* Closing */
.closing { padding: 88px 0 80px; }
.closing-inner { position: relative; text-align: center; max-width: 820px; }
.closing-line { font: 700 clamp(1.7rem, 4vw, 2.8rem)/1.2 var(--font-display); letter-spacing: -0.025em; margin: 0 auto 32px; }
.closing-inner .dot.d1 { left: 4%; top: -52px; }
.closing-inner .dot.d2 { right: 6%; bottom: 14%; left: auto; top: auto; }
.foot { padding: 0 0 48px; text-align: center; color: var(--ink-3); font-size: 0.9rem; }
.foot p { margin: 0; }

/* Reveal on scroll */
.js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.js [data-reveal].is-in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { height: 340px; max-width: 460px; margin: 0 auto; width: 100%; }
  .tile { width: 130px; height: 130px; }
  .explore-grid { grid-template-columns: repeat(2, 1fr); }
  .em-wrap { grid-template-columns: 1fr; }
  .em-tray { position: static; }
}
@media (max-width: 720px) {
  .wrap { width: calc(100% - 32px); }
  .topnav a:first-child { display: none; }
  .why-grid, .cat-grid, .pc, .rec-grid, .summary { grid-template-columns: 1fr; }
  .pmc-row { grid-template-columns: 24px minmax(0, 1fr); gap: 6px 10px; align-items: start; }
  .pmc-plan { grid-column: 2; }
  .pma-foot { justify-content: stretch; }
  .pma-copy { flex: 1; justify-content: center; }
  .pc { grid-template-columns: minmax(0, 1fr); }
  .tree-scroll { margin-inline: -8px; scroll-snap-type: x mandatory; }
  .tree { padding: 14px 10px; }
  .troot { left: 10px; width: calc(100cqw - 20px); }
  .tcols { gap: 12px; margin-top: 44px; }
  .tcol { flex: 0 0 80cqw; scroll-margin-left: 10px; }
  .tcol-add { flex: 0 0 auto; }
  .tchildren { gap: 10px; margin-top: 10px; }
  .tcol .tchildren { padding-left: 26px; }
  .tcol .tchildren .tchildren { padding-left: 16px; }
  .tnode, .ghost { min-width: 150px; }
  .tnode { padding-left: 12px; }
  .pc-scale { --thumb: 48px; }
  .pc-ticks { height: 44px; }
  .pc-ticks button { max-width: 4.6em; padding: 4px 2px; font-size: 0.9rem; }
  .pcm-bar { height: 48px; }
  .pcm-fill { min-width: 118px; padding: 0 14px; }
  .pcm-pros { padding-right: 36px; }
  .pcm-cons { padding-left: 36px; }
  .pcm-burst { width: 62px; height: 62px; margin: -31px 0 0 -31px; }
  .pcm-fill b { font-size: 1.05rem; }
  .problem { padding-top: 64px; }
  .hero-bg { opacity: 0.6; background-position: 70% 40%; }
  .explore-grid { grid-template-columns: 1fr; }
  .em-grid { grid-template-columns: 1fr; padding: 0; }
  .axis { display: none; }
  .quad { min-height: 150px; }
  .rec-ico { width: 64px; height: 64px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}

/* Tree connector lines */
.tree-lines path { fill: none; stroke: #35b58a; stroke-width: 2.5; stroke-linecap: round; opacity: 0.75; }
.tree-lines path.ghost-line { stroke-dasharray: 3 7; opacity: 0.5; }
.tnode, .ghost { position: relative; z-index: 1; }